Okusama wa Keishi Sokan

Okusama wa Keishi Sokan(奥様は警視総監)

An ordinary wife and mother, Asako's peaceful life is disrupted when her services are called upon by the police department to solve a mysterious murder case. Contrary to her ordinary demeanor, Asako was once an elite detective whose experise is sought after in solving difficult cases even after retirement. -- groink (Source: Drama Wiki)